Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
ACT Prep
/
Atomic Structure, Periodic Patterns, and Chemical Bonding
Grade Level
ACT Prep
AS.111 Atomic Structure, Periodic Patterns, and Chemical Bonding
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A compound has the formula E2O3. Oxygen is described as forming O2- ions in this compound. What ion charge is most likely for E?
A
2-
B
1+
C
6+
D
3+
Submit Answer